Question 1

Which of the following best describes a Fixed Action Pattern (FAP) in animal behavior?

Accepted Answer

An innate behavior triggered by a specific sign stimulus.

Question 2

Which of the following is an example of imprinting in animals?

Accepted Answer

A duckling following the first moving object it sees after hatching.

Question 3

In population ecology, which equation correctly represents exponential population growth?

Accepted Answer

$$dN\/dt = rN$$

Question 4

Which of the following is NOT a factor influencing the distribution of organisms in an ecosystem?

Accepted Answer

Random genetic mutation

Question 5

A population of fish in a lake shows a Type III survivorship curve. What does this indicate about their life history?

Accepted Answer

High mortality rate early in life, with few survivors reaching adulthood.

Question 6

Which of the following best illustrates the competitive exclusion principle?

Accepted Answer

Two species with identical niches cannot coexist indefinitely.

Question 7

Which of the following is an example of Müllerian mimicry?

Accepted Answer

Two toxic butterfly species resembling each other.

Question 8

Which biogeochemical cycle is most directly affected by acid precipitation?

Accepted Answer

Sulfur cycle

Question 9

Which equation represents logistic population growth?

Accepted Answer

$$dN\/dt = rN(1 - N\/K)$$

Question 10

Which of the following is a density-dependent factor that can limit population growth?

Accepted Answer

Disease

Question 11

Which of the following is a primary producer in a terrestrial ecosystem?

Accepted Answer

Grass

Question 12

Which of the following best describes the role of a keystone species in an ecosystem?

Accepted Answer

A species whose impact on its community is disproportionately large relative to its abundance.

Question 13

Which of the following is a consequence of eutrophication in aquatic ecosystems?

Accepted Answer

Decreased biodiversity due to algal blooms and hypoxia

Question 14

Which of the following is a real-world example of mutualism?

Accepted Answer

Bees pollinating flowers while collecting nectar

Question 15

Which of the following is a major threat to biodiversity according to conservation biology?

Accepted Answer

Habitat destruction

Question 16

Which of the following best describes the concept of trophic efficiency?

Accepted Answer

The percentage of energy transferred from one trophic level to the next.

Question 17

Which of the following is a biotic factor influencing species distribution?

Accepted Answer

Predation

Question 18

Which of the following is an example of associative learning in animals?

Accepted Answer

A dog salivating when it hears a bell after repeated pairings with food.

Question 19

Which of the following is a direct effect of ozone depletion in the upper atmosphere?

Accepted Answer

Increased ultraviolet radiation reaching Earth's surface

Question 20

Which of the following restoration strategies involves the use of living organisms to detoxify polluted ecosystems?

Accepted Answer

Bioremediation

General Biology Study Notes: Ecology and Conservation

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